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Finding the Fourth Proportional to 181,298.82, 271,854.76 and 81,373.36

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Solution

The fourth proportional to 181,298.82, 271,854.76 and 81,373.36 is: 122,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,298.82 : 271,854.76 = 81,373.36 : x
  2. Step 2: Convert to fraction form
    181,298.82/271,854.76 = 81,373.36/x
  3. Step 3: Cross multiply
    181,298.82x = 271,854.76 × 81,373.36
  4. Step 4: Simplify right side
    181,298.82x = 22,121,735,253.19
  5. Step 5: Solve for x
    x = 22,121,735,253.19/181,298.82
  6. Step 6: Final answer
    x = 122,018.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.